| Harvard University Herbaria Barcode(s) | 00022626 |
| Type Status | Holotype |
| Collector | M. L. Fernald, B. H. Long & H. St. John |
| Collector number | 6766 |
| Country | Canada |
| State | Quebec Province |
| Geography | North America: North America (CA, US, MX) (Region): Canada: Quebec Province |
| Locality | among the sand hills between East Cape and East Point, Coffin Island (Magdalen Islands) |
| Date Collected | 1912-08-17 |
| Habitat | Shallow ponds |
| Container | Flora of the Magdalen Islands, Quebec |
| GUID | http://purl.oclc.org/net/edu.harvard.huh/guid/uuid/cf5318d2-c99f-4bd1-9b1b-67d97d167743 |
| Harvard University Herbaria Barcode | 00022626 |
| Herbarium | GH |
| Determination | Potamogeton alpinus Balbis |
| Determination Remarks | [is label name] |
| Determination | Potamogeton microstachys var. subellipticus Fernald |
| Date Determined | 1929 |
| Annotation Text | n. var. [annotated on sheet] |
| Determination | Potamogeton tenuifolius var. subellipticus (Fernald) Fernald |
| Date Determined | 1931 |
| Annotation Text | [annotated on sheet] |
| Determination | Potamogeton alpinus var. subellipticus (Fernald) Ogden |
| Determined by | Ogden, Eugene Cecil |
| Date Determined | 1938 |
| Determination | Potamogeton alpinus Balbis |
| Determined by | Hanrahan, Danielle |
| Date Determined | 2015-09-** |
| Determination Remarks | [is Current name] |
| Annotation Text | fide James L. Reveal (BH) & Z. Kaplan (NY) |
| Type Status | Holotype |
| Holotype of | Potamogeton microstachys var. subellipticus Fernald |
| Verified by | Reveal, James Lauritz & Kaplan, Zdenek |
| Date Determined | 2012 |
| Determination Remarks | [is filed under name] |
| Annotation Text | Holotype! |
| Taxon Reference | (for Potamogeton microstachys var. subellipticus Fernald) Rhodora 1930. 32: 82. |
| Sex | not determined |
| Phenology | NotDetermined |
| Preparation Type | Sheet |
| Preparation Method | Pressed |
